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Installation or Service problems? Call SENS at (800) 742-2326 between 8:00
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F3
CASE SIZE 3A
FILTERED BATTERY CHARGER
OPERATION & MAINTENANCE
MANUAL
SENS part no.:
Document revision:
DCN number
Date
Copyright © Stored Energy Systems LLC 2006
SERIES
1840 Industrial Circle
Longmont, CO 80501
Fax: (303) 678-7504
Tel: (303) 678-7500
Email: service@sensusa.com
Web: www.sens-usa.com
101146
J
106902
11/20/15
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Summary of Contents for Sens F3 Series
- Page 1 Fax: (303) 678-7504 Tel: (303) 678-7500 Email: service@sensusa.com Web: www.sens-usa.com Installation or Service problems? Call SENS at (800) 742-2326 between 8:00 am and 5:00 pm Mountain time Monday through Friday, or visit our website. Copyright © Stored Energy Systems LLC 2006...
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Page 2: Important Safety Instructions
• To reduce risk of electric shock, de-energize and disconnect the AC input and the battery from the charger before attempting maintenance or cleaning. • Use of an accessory not recommended or sold by SENS may result in a risk of fire, electric shock or personal injury. - Page 3 READ THIS FIRST Please follow the installation and use instructions. They are vital to the satisfactory operation of the charger. If you have any doubts about adjusting, maintaining or servicing the equipment, contact SENS service department. Changing factory-set potentiometers voids the warranty. Contact the factory if you believe that the settings on your charger are incorrect.Before determining that the charger is not working correctly, check...
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Page 4: Installation
F3 Series Charger Manual Mechanical Installation Installation Caution: Heed the following warning to prevent damaging the lower cover of the charger! FIGURE 2.1 Lifting Instructions WHEN INSTALLING DO NOT LIFT UNIT FROM MIDDLE OF LOWER COVER - THE COVER WILL BEND. -
Page 5: Power Connections
F3 Series Charger Manual AC and DC connections direct to the AC and DC circuit breakers in accordance with diagram 2.2 below. Caution: Small sense leads are connected to the output side of the DC breaker. These must remain connected to the output side of the breaker after installation of the DC cabling, or the charger will not function properly. - Page 6 F3 Series Charger Manual Caution: Do NOT connect the battery backwards; charger damage may result The voltmeter will show battery voltage as soon as the DC connection is completed. Check the voltmeter as soon as the DC connection has been made. If the meter reads zero or is deflecting below zero, reverse the polarity of the battery connections.
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Page 7: Operation
• Disconnect AC and DC power sources. Open the charger. Verify that no components (e.g. main DC output fuse, if fitted) or harness connections are blown, loose or damaged If all of the above appear to be in order, contact SENS at the toll-free service number on the front of this document for assistance in troubleshooting. - Page 8 F3 Series Charger Manual battery. This is the normal charging position for all batteries, and the recommended charging position at all times for Valve Regulated Lead Acid (VRLA) batteries. BOOST This voltage is slightly higher than the float setting. Boost slightly overcharges the battery in order to ensure that all the cells of a battery are fully charged to the same voltage.
- Page 9 F3 Series Charger Manual FIGURE 3.4 LED Indicators on Charger Front Panel AC ON Indicates that AC power is being supplied to the charger. BOOST The charger is operating in the BOOST mode. FLOAT The charger is operating in the FLOAT mode.
- Page 10 To adjust the charger for a different type of battery (e.g. from lead-acid to nickel-cadmium) c) If your battery is consistently being over-charged or under-charged NOTE: Unless authorized by SENS, any charger adjustment, including output voltage adjustment, voids the warranty.
- Page 11 F3 Series Charger Manual “FLOAT” (R34) and “BOOST” (R33), both located next to one of the control transformers. 4. Adjust the FLOAT pot until the desired voltage is achieved. Adjustment of the BOOST voltage is similar to adjustment of FLOAT, except that you adjust the BOOST pot instead of the FLOAT pot.
- Page 12 To set up, ensure that the DC output leads from each charger are identical in length and wire gauge. Install a Load Share Cable (supplied by SENS or assembled by user) between terminals on both control boards where labeled “PAR”.
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Page 13: Troubleshooting Table
F3 Series Charger Manual Troubleshooting Table Trouble- If there is a problem and you suspect the charger is at fault, turn off the AC mains supply before shooting proceeding. Ensure that the following are correct: AC input wiring, battery and/or load connections and PC card connectors. - Page 14 F3 Series Charger Manual Symptom Possible Cause Test Corrective Action Line voltage less Measure AC line voltage Use larger gauge AC wires or that charger's contact utility company specified operating range Control board Replace with known good Replace board High output...
- Page 15 F3 Series Charger Manual Refer to Figure 5.2. Disconnect all the leads to the SCR and its heat sink. Connect a voltmeter across the 1KΩ resistor to measure the voltage drop. With the battery connected as shown, V drop should read approximately 2.3V (Vsource-0.7V).
- Page 16 F3 Series Charger Manual...
- Page 17 F3 Series Charger Manual Diagram of Automatic Boost Operation (Optional Feature) Appendix Boost v oltage Float v oltage Battery voltage Point at which charger changes f rom current limit to v oltage limit Volts Point at which AUTOBOOST returns charger to f loat v oltage...
- Page 20 Return Merchandise Authorization (RMA) number provided by SENS. If, in SENS’ opinion, the problem can be rectified in the field, SENS may elect to ship replacement parts for customer installation instead of having the product returned to the factory. Limitation: This warranty is limited to defects in material or workmanship of the product.
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